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G7X macro focus an embarrassment - please tell me why

Started Jan 11, 2017 | Discussions thread
0lf
0lf Senior Member • Posts: 1,284
Re: magnification, focal length and focus distances

magnification (circle diameter) = FL (x) / focus distance (y) * crop factor

It is not completely true as the focus distance stated by the camera is relative to the front lens, but it should be a somewhat close approximation

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